.top_bg{
	background: url(../img/328134-106.jpg);
	background-size: 100%;
	width: 100%;
	height: 100%;
}
.top_bg h1{
	text-align: right;
	margin-right: 30px;
	font-size: 50px;
}
.top_bg p{
	text-align: right;
	margin-right: 30px;
	font-size: 35px;
}
.top_bg p span{
	color: aqua;
	font-size: 35px;
}
.left_bg{
	background-color: rgb(112,210,255);
	background-size: 100%;
	width: 100%;
	height: 100%;
}
.blank{
	width: 100%;
	height: 50px;
}
.left_bg li{
	line-height: 60px;
	font-size: 35px;
	text-align: center;
	list-style-type: none;
}
.left_bg li:hover{
	cursor: pointer;
	font-weight: bold;
	color: brown;
	position: relative;
	top: 5px;
	right: 5px;
}
.student_info{
	width: 100%;
	height: 100%;
	background-color: #DDDDDD;
	background-size: 100% 100%;
}
.student_info_div{
	width: 80%;
	margin: 50px auto;
	border-top: 1px solid #696969;
	border-bottom: 1px solid #696969;
}
.student_info_div ul{
	height: 40px;
	border-bottom: 1px dashed #808080;
	text-align: center;
}
.student_info_div ul:last-child{
	border-bottom: none;
}
.student_info_div li{
	height: 30px;
	width: 9%;
	font-size: 25px;
	list-style-type: none;
	float: left;
	overflow: hidden;
}
.student_info_div a{
	font-size: 25px;
	color: #DC143C;
	
	text-decoration: none;
}
.student_info_div a:hover{
	position: relative;
	top: 2px;
	right: 2px;
	color: #A52A2A;
}
.add{
	width: 100%;
	height: 100%;
	background: #DDDDDD;
	background-size: 100% 100%;
}
.add_div{
	text-align: center;
	margin-top: 5%;
}
.add_item{
	margin-top: 30px;
	font-size: 30px;
	color: #696969;
}
.add_item input,select{
	width: 300px;
	height: 40px;
	font-size: 30px;
	color: #696969;
}

.btn{
	text-align: center;
}
.btn input{
	font-size: 30px;
	text-align: center;
	margin-top: 20px;
	width: 100px;
	height: 40px;
}
.class_info{
	width: 100%;
	height: 100%;
	background-color: #DDDDDD;
	background-size: 100% 100%;
}
.class_info_div{
	width: 60%;
	margin: 50px auto;
	border-top: 1px solid #696969;
	border-bottom: 1px solid #696969;
}
.class_info_div ul{
	height: 40px;
	border-bottom: 1px dashed #808080;
	text-align: center;
}
.class_info_div ul:last-child{
	border-bottom: none;
}
.class_info_div li{
	height: 30px;
	width: 25%;
	font-size: 25px;
	list-style-type: none;
	float: left;
	overflow: hidden;
}
.score_info_ul{
	height: 40px;
	border-bottom: 1px dashed #808080;
	text-align: center;
}
.score_info_ul li{
	height: 30px;
	width: 16%;
	font-size: 25px;
	list-style-type: none;
	float: left;
	overflow: hidden;
}
.class_info_div a{
	font-size: 25px;
	color: #DC143C;
	
	text-decoration: none;
}
.class_info_div a:hover{
	position: relative;
	top: 2px;
	right: 2px;
	color: #A52A2A;
}
.course_info{
	width: 100%;
	height: 100%;
	background-color: #DDDDDD;
	background-size: 100% 100%;
}
.course_info_div{
	width: 60%;
	margin: 50px auto;
	border-top: 1px solid #696969;
	border-bottom: 1px solid #696969;
}
.course_info_div ul{
	height: 40px;
	border-bottom: 1px dashed #808080;
	text-align: center;
}
.course_info_div ul:last-child{
	border-bottom: none;
}
.course_info_div li{
	height: 30px;
	width: 20%;
	font-size: 25px;
	list-style-type: none;
	float: left;
	overflow: hidden;
}

.course_info_div a{
	font-size: 25px;
	color: #DC143C;
	
	text-decoration: none;
}
.course_info_div a:hover{
	position: relative;
	top: 2px;
	right: 2px;
	color: #A52A2A;
}